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|
/* ============================================================
*
* This file is a part of digiKam project
* http://www.digikam.org
*
* Date : 2004-06-18
* Description : database album interface.
*
* Copyright (C) 2004-2005 by Renchi Raju <renchi@pooh.tam.uiuc.edu>
* Copyright (C) 2006-2007 by Gilles Caulier <caulier dot gilles at gmail dot com>
* Copyright (C) 2006-2007 by Marcel Wiesweg <marcel dot wiesweg at gmx dot de>
*
* This program is free software; you can redistribute it
* and/or modify it under the terms of the GNU General
* Public License as published by the Free Software Foundation;
* either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* ============================================================ */
/** @file albumdb.cpp */
// C Ansi includes.
extern "C"
{
#include "sqlite3.h"
#include <sys/time.h>
}
// C++ includes.
#include <cstdio>
#include <cstdlib>
#include <ctime>
// Qt includes.
#include <qfile.h>
#include <qfileinfo.h>
#include <qdir.h>
// KDE includes.
#include <klocale.h>
// Local includes.
#include "ddebug.h"
#include "albummanager.h"
#include "album.h"
#include "albumdb.h"
#include "albumsettings.h"
namespace Digikam
{
typedef struct sqlite3_stmt sqlite3_stmt;
typedef struct sqlite3 sqleet3; // hehe.
class AlbumDBPriv
{
public:
AlbumDBPriv()
{
valid = false;
dataBase = 0;
}
bool valid;
sqleet3 *dataBase;
IntList recentlyAssignedTags;
};
AlbumDB::AlbumDB()
{
d = new AlbumDBPriv;
}
AlbumDB::~AlbumDB()
{
if (d->dataBase)
{
sqlite3_close(d->dataBase);
}
delete d;
}
bool AlbumDB::isValid() const
{
return d->valid;
}
void AlbumDB::setDBPath(const QString& path)
{
if (d->dataBase)
{
sqlite3_close(d->dataBase);
d->dataBase = 0;
}
d->valid = false;
sqlite3_open(QFile::encodeName(path), &d->dataBase);
if (d->dataBase == 0)
{
DWarning() << "Cannot open database: "
<< sqlite3_errmsg(d->dataBase)
<< endl;
}
else
{
initDB();
}
}
void AlbumDB::initDB()
{
d->valid = false;
// Check if we have the required tables
QStringList values;
if (!execSql( QString("SELECT name FROM sqlite_master"
" WHERE type='table'"
" ORDER BY name;"),
&values ))
{
return;
}
if (!values.contains("Albums"))
{
if (!execSql( QString("CREATE TABLE Albums\n"
" (id INTEGER PRIMARY KEY,\n"
" url TEXT NOT NULL UNIQUE,\n"
" date DATE NOT NULL,\n"
" caption TEXT,\n"
" collection TEXT,\n"
" icon INTEGER);") ))
{
return;
}
if (!execSql( QString("CREATE TABLE Tags\n"
" (id INTEGER PRIMARY KEY,\n"
" pid INTEGER,\n"
" name TEXT NOT NULL,\n"
" icon INTEGER,\n"
" iconkde TEXT,\n"
" UNIQUE (name, pid));") ))
{
return;
}
if (!execSql( QString("CREATE TABLE TagsTree\n"
" (id INTEGER NOT NULL,\n"
" pid INTEGER NOT NULL,\n"
" UNIQUE (id, pid));") ))
{
return;
}
if (!execSql( QString("CREATE TABLE Images\n"
" (id INTEGER PRIMARY KEY,\n"
" name TEXT NOT NULL,\n"
" dirid INTEGER NOT NULL,\n"
" caption TEXT,\n"
" datetime DATETIME,\n"
" UNIQUE (name, dirid));") ))
{
return;
}
if (!execSql( QString("CREATE TABLE ImageTags\n"
" (imageid INTEGER NOT NULL,\n"
" tagid INTEGER NOT NULL,\n"
" UNIQUE (imageid, tagid));") ))
{
return;
}
if (!execSql( QString("CREATE TABLE ImageProperties\n"
" (imageid INTEGER NOT NULL,\n"
" property TEXT NOT NULL,\n"
" value TEXT NOT NULL,\n"
" UNIQUE (imageid, property));") ))
{
return;
}
if ( !execSql( QString( "CREATE TABLE Searches \n"
" (id INTEGER PRIMARY KEY, \n"
" name TEXT NOT NULL UNIQUE, \n"
" url TEXT NOT NULL);" ) ) )
{
return;
}
if (!execSql( QString("CREATE TABLE Settings \n"
"(keyword TEXT NOT NULL UNIQUE,\n"
" value TEXT);") ))
return;
else
setSetting("DBVersion","1");
// TODO: see which more indices are needed
// create indices
execSql("CREATE INDEX dir_index ON Images (dirid);");
execSql("CREATE INDEX tag_index ON ImageTags (tagid);");
// create triggers
// trigger: delete from Images/ImageTags/ImageProperties
// if Album has been deleted
execSql("CREATE TRIGGER delete_album DELETE ON Albums\n"
"BEGIN\n"
" DELETE FROM ImageTags\n"
" WHERE imageid IN (SELECT id FROM Images WHERE dirid=OLD.id);\n"
" DELETE From ImageProperties\n"
" WHERE imageid IN (SELECT id FROM Images WHERE dirid=OLD.id);\n"
" DELETE FROM Images\n"
" WHERE dirid = OLD.id;\n"
"END;");
// trigger: delete from ImageTags/ImageProperties
// if Image has been deleted
execSql("CREATE TRIGGER delete_image DELETE ON Images\n"
"BEGIN\n"
" DELETE FROM ImageTags\n"
" WHERE imageid=OLD.id;\n"
" DELETE From ImageProperties\n "
" WHERE imageid=OLD.id;\n"
" UPDATE Albums SET icon=null \n "
" WHERE icon=OLD.id;\n"
" UPDATE Tags SET icon=null \n "
" WHERE icon=OLD.id;\n"
"END;");
// trigger: delete from ImageTags if Tag has been deleted
execSql("CREATE TRIGGER delete_tag DELETE ON Tags\n"
"BEGIN\n"
" DELETE FROM ImageTags WHERE tagid=OLD.id;\n"
"END;");
// trigger: insert into TagsTree if Tag has been added
execSql("CREATE TRIGGER insert_tagstree AFTER INSERT ON Tags\n"
"BEGIN\n"
" INSERT INTO TagsTree\n"
" SELECT NEW.id, NEW.pid\n"
" UNION\n"
" SELECT NEW.id, pid FROM TagsTree WHERE id=NEW.pid;\n"
"END;");
// trigger: delete from TagsTree if Tag has been deleted
execSql("CREATE TRIGGER delete_tagstree DELETE ON Tags\n"
"BEGIN\n"
" DELETE FROM Tags\n"
" WHERE id IN (SELECT id FROM TagsTree WHERE pid=OLD.id);\n"
" DELETE FROM TagsTree\n"
" WHERE id IN (SELECT id FROM TagsTree WHERE pid=OLD.id);\n"
" DELETE FROM TagsTree\n"
" WHERE id=OLD.id;\n"
"END;");
// trigger: delete from TagsTree if Tag has been deleted
execSql("CREATE TRIGGER move_tagstree UPDATE OF pid ON Tags\n"
"BEGIN\n"
" DELETE FROM TagsTree\n"
" WHERE\n"
" ((id = OLD.id)\n"
" OR\n"
" id IN (SELECT id FROM TagsTree WHERE pid=OLD.id))\n"
" AND\n"
" pid IN (SELECT pid FROM TagsTree WHERE id=OLD.id);\n"
" INSERT INTO TagsTree\n"
" SELECT NEW.id, NEW.pid\n"
" UNION\n"
" SELECT NEW.id, pid FROM TagsTree WHERE id=NEW.pid\n"
" UNION\n"
" SELECT id, NEW.pid FROM TagsTree WHERE pid=NEW.id\n"
" UNION\n"
" SELECT A.id, B.pid FROM TagsTree A, TagsTree B\n"
" WHERE\n"
" A.pid = NEW.id AND B.id = NEW.pid;\n"
"END;");
}
d->valid = true;
}
AlbumInfo::List AlbumDB::scanAlbums()
{
AlbumInfo::List aList;
QString basePath(AlbumManager::instance()->getLibraryPath());
QStringList values;
execSql( "SELECT A.id, A.url, A.date, A.caption, A.collection, B.url, I.name \n "
"FROM Albums AS A \n "
" LEFT OUTER JOIN Images AS I ON A.icon=I.id \n"
" LEFT OUTER JOIN Albums AS B ON B.id=I.dirid;", &values);
QString iconAlbumUrl, iconName;
for (QStringList::iterator it = values.begin(); it != values.end();)
{
AlbumInfo info;
info.id = (*it).toInt();
++it;
info.url = *it;
++it;
info.date = QDate::fromString(*it, Qt::ISODate);
++it;
info.caption = *it;
++it;
info.collection = *it;
++it;
iconAlbumUrl = *it;
++it;
iconName = *it;
++it;
if (!iconName.isEmpty())
{
info.icon = basePath + iconAlbumUrl + '/' + iconName;
}
aList.append(info);
}
return aList;
}
TagInfo::List AlbumDB::scanTags()
{
TagInfo::List tList;
QString basePath(AlbumManager::instance()->getLibraryPath());
QStringList values;
execSql( "SELECT T.id, T.pid, T.name, A.url, I.name, T.iconkde \n "
"FROM Tags AS T LEFT OUTER JOIN Images AS I ON I.id=T.icon \n "
" LEFT OUTER JOIN Albums AS A ON A.id=I.dirid; ", &values );
QString iconName, iconKDE, albumURL;
for (QStringList::iterator it = values.begin(); it != values.end();)
{
TagInfo info;
info.id = (*it).toInt();
++it;
info.pid = (*it).toInt();
++it;
info.name = *it;
++it;
albumURL = *it;
++it;
iconName = *it;
++it;
iconKDE = *it;
++it;
if ( albumURL.isEmpty() )
{
info.icon = iconKDE;
}
else
{
info.icon = basePath + albumURL + '/' + iconName;
}
tList.append(info);
}
return tList;
}
SearchInfo::List AlbumDB::scanSearches()
{
SearchInfo::List searchList;
QStringList values;
execSql( "SELECT id, name, url FROM Searches;", &values);
for (QStringList::iterator it = values.begin(); it != values.end();)
{
SearchInfo info;
info.id = (*it).toInt();
++it;
info.name = (*it);
++it;
info.url = (*it);
++it;
searchList.append(info);
}
return searchList;
}
void AlbumDB::beginTransaction()
{
execSql( "BEGIN TRANSACTION;" );
}
void AlbumDB::commitTransaction()
{
execSql( "COMMIT TRANSACTION;" );
}
int AlbumDB::addAlbum(const QString& url, const QString& caption,
const QDate& date, const QString& collection)
{
if (!d->dataBase)
return -1;
execSql( QString("REPLACE INTO Albums (url, date, caption, collection) "
"VALUES('%1', '%2', '%3', '%4');")
.arg(escapeString(url),
date.toString(Qt::ISODate),
escapeString(caption),
escapeString(collection)));
int id = sqlite3_last_insert_rowid(d->dataBase);
return id;
}
void AlbumDB::setAlbumCaption(int albumID, const QString& caption)
{
execSql( QString("UPDATE Albums SET caption='%1' WHERE id=%2;")
.arg(escapeString(caption),
QString::number(albumID) ));
}
void AlbumDB::setAlbumCollection(int albumID, const QString& collection)
{
execSql( QString("UPDATE Albums SET collection='%1' WHERE id=%2;")
.arg(escapeString(collection),
QString::number(albumID)) );
}
void AlbumDB::setAlbumDate(int albumID, const QDate& date)
{
execSql( QString("UPDATE Albums SET date='%1' WHERE id=%2;")
.arg(date.toString(Qt::ISODate))
.arg(albumID) );
}
void AlbumDB::setAlbumIcon(int albumID, Q_LLONG iconID)
{
execSql( QString("UPDATE Albums SET icon=%1 WHERE id=%2;")
.arg(iconID)
.arg(albumID) );
}
QString AlbumDB::getAlbumIcon(int albumID)
{
QStringList values;
execSql( QString("SELECT B.url, I.name \n "
"FROM Albums AS A \n "
" LEFT OUTER JOIN Images AS I ON I.id=A.icon \n "
" LEFT OUTER JOIN Albums AS B ON B.id=I.dirid \n "
"WHERE A.id=%1;")
.arg(albumID), &values );
if (values.isEmpty())
return QString();
QStringList::iterator it = values.begin();
QString url = *it;
++it;
QString icon = *it;
if (icon.isEmpty())
return QString();
QString basePath(AlbumManager::instance()->getLibraryPath());
basePath += url;
basePath += '/' + icon;
return basePath;
}
void AlbumDB::deleteAlbum(int albumID)
{
execSql( QString("DELETE FROM Albums WHERE id=%1")
.arg(albumID) );
}
int AlbumDB::addTag(int parentTagID, const QString& name, const QString& iconKDE,
Q_LLONG iconID)
{
if (!d->dataBase)
return -1;
if (!execSql( QString("INSERT INTO Tags (pid, name) "
"VALUES( %1, '%2')")
.arg(parentTagID)
.arg(escapeString(name))))
{
return -1;
}
int id = sqlite3_last_insert_rowid(d->dataBase);
if (!iconKDE.isEmpty())
{
execSql( QString("UPDATE Tags SET iconkde='%1' WHERE id=%2;")
.arg(escapeString(iconKDE),
QString::number(id)));
}
else
{
execSql( QString("UPDATE Tags SET icon=%1 WHERE id=%2;")
.arg(iconID)
.arg(id));
}
return id;
}
void AlbumDB::deleteTag(int tagID)
{
execSql( QString("DELETE FROM Tags WHERE id=%1")
.arg(tagID) );
}
void AlbumDB::setTagIcon(int tagID, const QString& iconKDE, Q_LLONG iconID)
{
if (!iconKDE.isEmpty())
{
execSql( QString("UPDATE Tags SET iconkde='%1', icon=0 WHERE id=%2;")
.arg(escapeString(iconKDE),
QString::number(tagID)));
}
else
{
execSql( QString("UPDATE Tags SET icon=%1 WHERE id=%2;")
.arg(iconID)
.arg(tagID));
}
}
QString AlbumDB::getTagIcon(int tagID)
{
QStringList values;
execSql( QString("SELECT A.url, I.name, T.iconkde \n "
"FROM Tags AS T \n "
" LEFT OUTER JOIN Images AS I ON I.id=T.icon \n "
" LEFT OUTER JOIN Albums AS A ON A.id=I.dirid \n "
"WHERE T.id=%1;")
.arg(tagID), &values );
if (values.isEmpty())
return QString();
QString basePath(AlbumManager::instance()->getLibraryPath());
QString iconName, iconKDE, albumURL, icon;
QStringList::iterator it = values.begin();
albumURL = *it;
++it;
iconName = *it;
++it;
iconKDE = *it;
++it;
if ( albumURL.isEmpty() )
{
icon = iconKDE;
}
else
{
icon = basePath + albumURL + '/' + iconName;
}
return icon;
}
void AlbumDB::setTagParentID(int tagID, int newParentTagID)
{
execSql( QString("UPDATE Tags SET pid=%1 WHERE id=%2;")
.arg(newParentTagID)
.arg(tagID) );
}
int AlbumDB::addSearch(const QString& name, const KURL& url)
{
if (!d->dataBase)
return -1;
QString str("INSERT INTO Searches (name, url) \n"
"VALUES('$$@@$$', '$$##$$');");
str.replace("$$@@$$", escapeString(name));
str.replace("$$##$$", escapeString(url.url()));
if (!execSql(str))
{
return -1;
}
return sqlite3_last_insert_rowid(d->dataBase);
}
void AlbumDB::updateSearch(int searchID, const QString& name,
const KURL& url)
{
QString str = QString("UPDATE Searches SET name='$$@@$$', url='$$##$$' \n"
"WHERE id=%1")
.arg(searchID);
str.replace("$$@@$$", escapeString(name));
str.replace("$$##$$", escapeString(url.url()));
execSql(str);
}
void AlbumDB::deleteSearch(int searchID)
{
execSql( QString("DELETE FROM Searches WHERE id=%1")
.arg(searchID) );
}
void AlbumDB::setSetting(const QString& keyword,
const QString& value )
{
execSql( QString("REPLACE into Settings VALUES ('%1','%2');")
.arg(escapeString(keyword),
escapeString(value) ));
}
QString AlbumDB::getSetting(const QString& keyword)
{
QStringList values;
execSql( QString("SELECT value FROM Settings "
"WHERE keyword='%1';")
.arg(escapeString(keyword)), &values );
if (values.isEmpty())
return QString();
else
return values[0];
}
bool AlbumDB::execSql(const QString& sql, QStringList* const values,
const bool debug)
{
if ( debug )
DDebug() << "SQL-query: " << sql << endl;
if ( !d->dataBase )
{
DWarning() << k_funcinfo << "SQLite pointer == NULL"
<< endl;
return false;
}
const char* tail;
sqlite3_stmt* stmt;
int error;
//compile SQL program to virtual machine
error = sqlite3_prepare(d->dataBase, sql.utf8(), -1, &stmt, &tail);
if ( error != SQLITE_OK )
{
DWarning() << k_funcinfo
<< "sqlite_compile error: "
<< sqlite3_errmsg(d->dataBase)
<< " on query: "
<< sql << endl;
return false;
}
int cols = sqlite3_column_count(stmt);
while ( true )
{
error = sqlite3_step( stmt );
if ( error == SQLITE_DONE || error == SQLITE_ERROR )
break;
//iterate over columns
for ( int i = 0; values && i < cols; i++ )
{
*values << QString::fromUtf8( (const char*)sqlite3_column_text( stmt, i ) );
}
}
sqlite3_finalize( stmt );
if ( error != SQLITE_DONE )
{
DWarning() << "sqlite_step error: "
<< sqlite3_errmsg( d->dataBase )
<< " on query: "
<< sql << endl;
return false;
}
return true;
}
QString AlbumDB::escapeString(QString str) const
{
str.replace( "'", "''" );
return str;
}
QString AlbumDB::getItemCaption(Q_LLONG imageID)
{
QStringList values;
execSql( QString("SELECT caption FROM Images "
"WHERE id=%1;")
.arg(imageID),
&values );
if (!values.isEmpty())
return values[0];
else
return QString();
}
QString AlbumDB::getItemCaption(int albumID, const QString& name)
{
QStringList values;
execSql( QString("SELECT caption FROM Images "
"WHERE dirid=%1 AND name='%2';")
.arg(albumID)
.arg(escapeString(name)),
&values );
if (!values.isEmpty())
return values[0];
else
return QString();
}
QDateTime AlbumDB::getItemDate(Q_LLONG imageID)
{
QStringList values;
execSql( QString("SELECT datetime FROM Images "
"WHERE id=%1;")
.arg(imageID),
&values );
if (values.isEmpty())
return QDateTime();
else
return QDateTime::fromString(values[0], Qt::ISODate);
}
QDateTime AlbumDB::getItemDate(int albumID, const QString& name)
{
QStringList values;
execSql( QString("SELECT datetime FROM Images "
"WHERE dirid=%1 AND name='%2';")
.arg(albumID)
.arg(escapeString(name)),
&values );
if (values.isEmpty())
return QDateTime();
else
return QDateTime::fromString(values[0], Qt::ISODate);
}
Q_LLONG AlbumDB::getImageId(int albumID, const QString& name)
{
QStringList values;
execSql( QString("SELECT id FROM Images "
"WHERE dirid=%1 AND name='%2';")
.arg(albumID)
.arg(escapeString(name)),
&values );
if (values.isEmpty())
return -1;
else
return (values[0]).toLongLong();
}
QStringList AlbumDB::getItemTagNames(Q_LLONG imageID)
{
QStringList values;
execSql( QString("SELECT name FROM Tags \n "
"WHERE id IN (SELECT tagid FROM ImageTags \n "
" WHERE imageid=%1) \n "
"ORDER BY name;")
.arg(imageID),
&values );
return values;
}
IntList AlbumDB::getItemTagIDs(Q_LLONG imageID)
{
QStringList values;
execSql( QString("SELECT tagid FROM ImageTags \n "
"WHERE imageID=%1;")
.arg(imageID),
&values );
IntList ids;
if (values.isEmpty())
return ids;
for (QStringList::iterator it=values.begin(); it != values.end(); ++it)
{
ids << (*it).toInt();
}
return ids;
}
bool AlbumDB::hasTags(const LLongList& imageIDList)
{
IntList ids;
if (imageIDList.isEmpty())
return false;
QStringList values;
QString sql = QString("SELECT count(tagid) FROM ImageTags "
"WHERE imageid=%1 ")
.arg(imageIDList.first());
LLongList::const_iterator iter = imageIDList.begin();
++iter;
while (iter != imageIDList.end())
{
sql += QString(" OR imageid=%2 ")
.arg(*iter);
++iter;
}
sql += QString(";");
execSql( sql, &values );
if (values[0] == "0")
return false;
else
return true;
}
IntList AlbumDB::getItemCommonTagIDs(const LLongList& imageIDList)
{
IntList ids;
if (imageIDList.isEmpty())
return ids;
QStringList values;
QString sql = QString("SELECT DISTINCT tagid FROM ImageTags "
"WHERE imageid=%1 ")
.arg(imageIDList.first());
LLongList::const_iterator iter = imageIDList.begin();
++iter;
while (iter != imageIDList.end())
{
sql += QString(" OR imageid=%2 ")
.arg(*iter);
++iter;
}
sql += QString(";");
execSql( sql, &values );
if (values.isEmpty())
return ids;
for (QStringList::iterator it=values.begin(); it != values.end(); ++it)
{
ids << (*it).toInt();
}
return ids;
}
void AlbumDB::setItemCaption(Q_LLONG imageID,const QString& caption)
{
QStringList values;
execSql( QString("UPDATE Images SET caption='%1' "
"WHERE id=%2;")
.arg(escapeString(caption),
QString::number(imageID) ));
}
void AlbumDB::setItemCaption(int albumID, const QString& name, const QString& caption)
{
QStringList values;
execSql( QString("UPDATE Images SET caption='%1' "
"WHERE dirid=%2 AND name='%3';")
.arg(escapeString(caption),
QString::number(albumID),
escapeString(name)) );
}
void AlbumDB::addItemTag(Q_LLONG imageID, int tagID)
{
execSql( QString("REPLACE INTO ImageTags (imageid, tagid) "
"VALUES(%1, %2);")
.arg(imageID)
.arg(tagID) );
if (!d->recentlyAssignedTags.contains(tagID))
{
d->recentlyAssignedTags.push_front(tagID);
if (d->recentlyAssignedTags.size() > 10)
d->recentlyAssignedTags.pop_back();
}
}
void AlbumDB::addItemTag(int albumID, const QString& name, int tagID)
{
execSql( QString("REPLACE INTO ImageTags (imageid, tagid) \n "
"(SELECT id, %1 FROM Images \n "
" WHERE dirid=%2 AND name='%3');")
.arg(tagID)
.arg(albumID)
.arg(escapeString(name)) );
}
IntList AlbumDB::getRecentlyAssignedTags() const
{
return d->recentlyAssignedTags;
}
void AlbumDB::removeItemTag(Q_LLONG imageID, int tagID)
{
execSql( QString("DELETE FROM ImageTags "
"WHERE imageID=%1 AND tagid=%2;")
.arg(imageID)
.arg(tagID) );
}
void AlbumDB::removeItemAllTags(Q_LLONG imageID)
{
execSql( QString("DELETE FROM ImageTags "
"WHERE imageID=%1;")
.arg(imageID) );
}
QStringList AlbumDB::getItemNamesInAlbum(int albumID, bool recurssive)
{
QStringList values;
if (recurssive)
{
KURL url(getAlbumURL(albumID));
execSql( QString("SELECT Images.name "
"FROM Images "
"WHERE Images.dirid "
"IN (SELECT DISTINCT id "
"FROM Albums "
"WHERE url='%1' OR url LIKE '\%%2\%')")
.arg(escapeString(url.path())).arg(escapeString(url.path(1))), &values);
}
else
{
execSql( QString("SELECT Images.name "
"FROM Images "
"WHERE Images.dirid=%1")
.arg(albumID), &values );
}
return values;
}
QStringList AlbumDB::getAllItemURLsWithoutDate()
{
QStringList values;
execSql( QString("SELECT Albums.url||'/'||Images.name "
"FROM Images, Albums "
"WHERE Images.dirid=Albums.Id "
"AND (Images.datetime is null or "
" Images.datetime == '');"),
&values );
QString libraryPath = AlbumManager::instance()->getLibraryPath() + '/';
for (QStringList::iterator it = values.begin(); it != values.end();
++it)
{
*it = libraryPath + *it;
}
return values;
}
int AlbumDB::getOrCreateAlbumId(const QString& folder)
{
QStringList values;
execSql( QString("SELECT id FROM Albums WHERE url ='%1';")
.arg( escapeString(folder) ), &values);
int albumID;
if (values.isEmpty())
{
execSql( QString ("INSERT INTO Albums (url, date) "
"VALUES ('%1','%2')")
.arg(escapeString(folder),
QDateTime::currentDateTime().toString(Qt::ISODate)) );
albumID = sqlite3_last_insert_rowid(d->dataBase);
} else
albumID = values[0].toInt();
return albumID;
}
Q_LLONG AlbumDB::addItem(int albumID,
const QString& name,
const QDateTime& datetime,
const QString& comment,
int rating,
const QStringList &keywordsList)
{
execSql ( QString ("REPLACE INTO Images "
"( caption , datetime, name, dirid ) "
" VALUES ('%1','%2','%3',%4) " )
.arg(escapeString(comment),
datetime.toString(Qt::ISODate),
escapeString(name),
QString::number(albumID)) );
Q_LLONG item = sqlite3_last_insert_rowid(d->dataBase);
// Set Rating value to item in database.
if ( item != -1 && rating != -1 )
setItemRating(item, rating);
// Set existing tags in database or create new tags if not exist.
if ( item != -1 && !keywordsList.isEmpty() )
{
IntList tagIDs = getTagsFromTagPaths(keywordsList);
for (IntList::iterator it = tagIDs.begin(); it != tagIDs.end(); ++it)
{
addItemTag(item, *it);
}
}
return item;
}
IntList AlbumDB::getTagsFromTagPaths(const QStringList &keywordsList, bool create)
{
if (keywordsList.isEmpty())
return IntList();
IntList tagIDs;
QStringList keywordsList2Create;
// Create a list of the tags currently in database
TagInfo::List currentTagsList;
QStringList values;
execSql( "SELECT id, pid, name FROM Tags;", &values );
for (QStringList::iterator it = values.begin(); it != values.end();)
{
TagInfo info;
info.id = (*it).toInt();
++it;
info.pid = (*it).toInt();
++it;
info.name = *it;
++it;
currentTagsList.append(info);
}
// For every tag in keywordsList, scan taglist to check if tag already exists.
for (QStringList::const_iterator kwd = keywordsList.begin();
kwd != keywordsList.end(); ++kwd )
{
// split full tag "url" into list of single tag names
QStringList tagHierarchy = QStringList::split('/', *kwd);
if (tagHierarchy.isEmpty())
continue;
// last entry in list is the actual tag name
bool foundTag = false;
QString tagName = tagHierarchy.back();
tagHierarchy.pop_back();
for (TagInfo::List::iterator tag = currentTagsList.begin();
tag != currentTagsList.end(); ++tag )
{
// There might be multiple tags with the same name, but in different
// hierarchies. We must check them all until we find the correct hierarchy
if ((*tag).name == tagName)
{
int parentID = (*tag).pid;
// Check hierarchy, from bottom to top
bool foundParentTag = true;
QStringList::iterator parentTagName = tagHierarchy.end();
while (foundParentTag && parentTagName != tagHierarchy.begin())
{
--parentTagName;
foundParentTag = false;
for (TagInfo::List::iterator parentTag = currentTagsList.begin();
parentTag != currentTagsList.end(); ++parentTag )
{
// check if name is the same, and if ID is identical
// to the parent ID we got from the child tag
if ( (*parentTag).id == parentID &&
(*parentTag).name == (*parentTagName) )
{
parentID = (*parentTag).pid;
foundParentTag = true;
break;
}
}
// If we traversed the list without a match,
// foundParentTag will be false, the while loop breaks.
}
// If we managed to traverse the full hierarchy,
// we have our tag.
if (foundParentTag)
{
// add to result list
tagIDs.append((*tag).id);
foundTag = true;
break;
}
}
}
if (!foundTag)
keywordsList2Create.append(*kwd);
}
// If tags do not exist in database, create them.
if (create && !keywordsList2Create.isEmpty())
{
for (QStringList::iterator kwd = keywordsList2Create.begin();
kwd != keywordsList2Create.end(); ++kwd )
{
// split full tag "url" into list of single tag names
QStringList tagHierarchy = QStringList::split('/', *kwd);
if (tagHierarchy.isEmpty())
continue;
int parentTagID = 0;
int tagID = 0;
bool parentTagExisted = true;
// Traverse hierarchy from top to bottom
for (QStringList::iterator tagName = tagHierarchy.begin();
tagName != tagHierarchy.end(); ++tagName)
{
tagID = 0;
// if the parent tag did not exist, we need not check if the child exists
if (parentTagExisted)
{
for (TagInfo::List::iterator tag = currentTagsList.begin();
tag != currentTagsList.end(); ++tag )
{
// find the tag with tag name according to tagHierarchy,
// and parent ID identical to the ID of the tag we found in
// the previous run.
if ((*tag).name == (*tagName) && (*tag).pid == parentTagID)
{
tagID = (*tag).id;
break;
}
}
}
if (tagID != 0)
{
// tag already found in DB
parentTagID = tagID;
continue;
}
// Tag does not yet exist in DB, add it
tagID = addTag(parentTagID, (*tagName), QString(), 0);
if (tagID == -1)
{
// Something is wrong in database. Abort.
break;
}
// append to our list of existing tags (for following keywords)
TagInfo info;
info.id = tagID;
info.pid = parentTagID;
info.name = (*tagName);
currentTagsList.append(info);
parentTagID = tagID;
parentTagExisted = false;
}
// add to result list
tagIDs.append(tagID);
}
}
return tagIDs;
}
int AlbumDB::getItemAlbum(Q_LLONG imageID)
{
QStringList values;
execSql ( QString ("SELECT dirid FROM Images "
"WHERE id=%1;")
.arg(imageID),
&values);
if (!values.isEmpty())
return values.first().toInt();
else
return 1;
}
QString AlbumDB::getItemName(Q_LLONG imageID)
{
QStringList values;
execSql ( QString ("SELECT name FROM Images "
"WHERE id=%1;")
.arg(imageID),
&values);
if (!values.isEmpty())
return values.first();
else
return QString();
}
bool AlbumDB::setItemDate(Q_LLONG imageID,
const QDateTime& datetime)
{
execSql ( QString ("UPDATE Images SET datetime='%1'"
"WHERE id=%2;")
.arg(datetime.toString(Qt::ISODate),
QString::number(imageID)) );
return true;
}
bool AlbumDB::setItemDate(int albumID, const QString& name,
const QDateTime& datetime)
{
execSql ( QString ("UPDATE Images SET datetime='%1'"
"WHERE dirid=%2 AND name='%3';")
.arg(datetime.toString(Qt::ISODate),
QString::number(albumID),
escapeString(name)) );
return true;
}
void AlbumDB::setItemRating(Q_LLONG imageID, int rating)
{
execSql ( QString ("REPLACE INTO ImageProperties "
"(imageid, property, value) "
"VALUES(%1, '%2', '%3');")
.arg(imageID)
.arg("Rating")
.arg(rating) );
}
int AlbumDB::getItemRating(Q_LLONG imageID)
{
QStringList values;
execSql( QString("SELECT value FROM ImageProperties "
"WHERE imageid=%1 and property='%2';")
.arg(imageID)
.arg("Rating"),
&values);
if (!values.isEmpty())
return values[0].toInt();
else
return 0;
}
QStringList AlbumDB::getItemURLsInAlbum(int albumID)
{
QStringList values;
QString basePath(AlbumManager::instance()->getLibraryPath());
AlbumSettings::ImageSortOrder order = AlbumSettings::instance()->getImageSortOrder();
QString sqlString;
switch(order)
{
case AlbumSettings::ByIName:
sqlString = QString("SELECT Albums.url||'/'||Images.name FROM Images, Albums "
"WHERE Albums.id=%1 AND Albums.id=Images.dirid "
"ORDER BY Images.name COLLATE NOCASE;")
.arg(albumID);
break;
case AlbumSettings::ByIPath:
// Dont collate on the path - this is to maintain the same behaviour
// that happens when sort order is "By Path"
sqlString = QString("SELECT Albums.url||'/'||Images.name FROM Images, Albums "
"WHERE Albums.id=%1 AND Albums.id=Images.dirid "
"ORDER BY Albums.url,Images.name;")
.arg(albumID);
break;
case AlbumSettings::ByIDate:
sqlString = QString("SELECT Albums.url||'/'||Images.name FROM Images, Albums "
"WHERE Albums.id=%1 AND Albums.id=Images.dirid "
"ORDER BY Images.datetime;")
.arg(albumID);
break;
case AlbumSettings::ByIRating:
sqlString = QString("SELECT Albums.url||'/'||Images.name FROM Images, Albums, ImageProperties "
"WHERE Albums.id=%1 AND Albums.id=Images.dirid "
"AND Images.id = ImageProperties.imageid "
"AND ImageProperties.property='Rating' "
"ORDER BY ImageProperties.value DESC;")
.arg(albumID);
break;
default:
sqlString = QString("SELECT Albums.url||'/'||Images.name FROM Images, Albums "
"WHERE Albums.id=%1 AND Albums.id=Images.dirid;")
.arg(albumID);
break;
}
execSql( sqlString, &values );
for (QStringList::iterator it = values.begin(); it != values.end(); ++it)
{
*it = basePath + *it;
}
return values;
}
LLongList AlbumDB::getItemIDsInAlbum(int albumID)
{
LLongList itemIDs;
QStringList itemNames = getItemNamesInAlbum(albumID);
for (QStringList::iterator it = itemNames.begin(); it != itemNames.end(); ++it)
{
Q_LLONG id = getImageId(albumID, *it);
itemIDs.append(id);
}
return itemIDs;
}
QStringList AlbumDB::getItemURLsInTag(int tagID, bool recursive)
{
QStringList values;
QString basePath(AlbumManager::instance()->getLibraryPath());
QString imagesIdClause;
if (recursive)
imagesIdClause = QString("SELECT imageid FROM ImageTags "
" WHERE tagid=%1 "
" OR tagid IN (SELECT id FROM TagsTree WHERE pid=%2)")
.arg(tagID).arg(tagID);
else
imagesIdClause = QString("SELECT imageid FROM ImageTags WHERE tagid=%1").arg(tagID);
execSql( QString("SELECT Albums.url||'/'||Images.name FROM Images, Albums "
"WHERE Images.id IN (%1) "
"AND Albums.id=Images.dirid;")
.arg(imagesIdClause), &values );
for (QStringList::iterator it = values.begin(); it != values.end(); ++it)
{
*it = basePath + *it;
}
return values;
}
LLongList AlbumDB::getItemIDsInTag(int tagID, bool recursive)
{
LLongList itemIDs;
QStringList values;
if (recursive)
execSql( QString("SELECT imageid FROM ImageTags "
" WHERE tagid=%1 "
" OR tagid IN (SELECT id FROM TagsTree WHERE pid=%2)")
.arg(tagID).arg(tagID), &values );
else
execSql( QString("SELECT imageid FROM ImageTags WHERE tagid=%1;")
.arg(tagID), &values );
for (QStringList::iterator it = values.begin(); it != values.end(); ++it)
{
itemIDs << (*it).toLong();
}
return itemIDs;
}
QString AlbumDB::getAlbumURL(int albumID)
{
QStringList values;
execSql( QString("SELECT url from Albums where id=%1")
.arg( albumID), &values);
return values[0];
}
QDate AlbumDB::getAlbumLowestDate(int albumID)
{
QStringList values;
execSql( QString("SELECT MIN(datetime) FROM Images "
"WHERE dirid=%1 GROUP BY dirid")
.arg( albumID ), &values);
QDate itemDate = QDate::fromString( values[0], Qt::ISODate );
return itemDate;
}
QDate AlbumDB::getAlbumHighestDate(int albumID)
{
QStringList values;
execSql( QString("SELECT MAX(datetime) FROM Images "
"WHERE dirid=%1 GROUP BY dirid")
.arg( albumID ), &values);
QDate itemDate = QDate::fromString( values[0], Qt::ISODate );
return itemDate;
}
QDate AlbumDB::getAlbumAverageDate(int albumID)
{
QStringList values;
execSql( QString("SELECT datetime FROM Images WHERE dirid=%1")
.arg( albumID ), &values);
int differenceInSecs = 0;
int amountOfImages = 0;
QDateTime baseDateTime;
for (QStringList::iterator it = values.begin(); it != values.end(); ++it)
{
QDateTime itemDateTime = QDateTime::fromString( *it, Qt::ISODate );
if (itemDateTime.isValid())
{
++amountOfImages;
if ( baseDateTime.isNull() )
baseDateTime=itemDateTime;
else
differenceInSecs += itemDateTime.secsTo( baseDateTime );
}
}
if ( amountOfImages > 0 )
{
QDateTime averageDateTime;
averageDateTime.setTime_t( baseDateTime.toTime_t() -
(int)( differenceInSecs/amountOfImages ) );
return ( averageDateTime.date() );
}
else
return QDate();
}
void AlbumDB::deleteItem(int albumID, const QString& file)
{
execSql( QString("DELETE FROM Images "
"WHERE dirid=%1 AND name='%2';")
.arg(albumID)
.arg(escapeString(file)) );
}
void AlbumDB::setAlbumURL(int albumID, const QString& url)
{
QString u = escapeString(url);
// first delete any stale albums left behind
execSql( QString("DELETE FROM Albums WHERE url = '%1'")
.arg(u) );
// now update the album url
execSql( QString("UPDATE Albums SET url = '%1' WHERE id = %2;")
.arg(u, QString::number(albumID) ));
}
void AlbumDB::setTagName(int tagID, const QString& name)
{
execSql( QString("UPDATE Tags SET name='%1' WHERE id=%2;")
.arg(escapeString(name), QString::number(tagID) ));
}
void AlbumDB::moveItem(int srcAlbumID, const QString& srcName,
int dstAlbumID, const QString& dstName)
{
// first delete any stale database entries if any
deleteItem(dstAlbumID, dstName);
execSql( QString("UPDATE Images SET dirid=%1, name='%2' "
"WHERE dirid=%3 AND name='%4';")
.arg(QString::number(dstAlbumID), escapeString(dstName),
QString::number(srcAlbumID), escapeString(srcName)) );
}
int AlbumDB::copyItem(int srcAlbumID, const QString& srcName,
int dstAlbumID, const QString& dstName)
{
// check for src == dest
if (srcAlbumID == dstAlbumID && srcName == dstName)
return -1;
// find id of src image
QStringList values;
execSql( QString("SELECT id FROM Images "
"WHERE dirid=%1 AND name='%2';")
.arg(QString::number(srcAlbumID), escapeString(srcName)),
&values);
if (values.isEmpty())
return -1;
int srcId = values[0].toInt();
// first delete any stale database entries if any
deleteItem(dstAlbumID, dstName);
// copy entry in Images table
execSql( QString("INSERT INTO Images (dirid, name, caption, datetime) "
"SELECT %1, '%2', caption, datetime FROM Images "
"WHERE id=%3;")
.arg(QString::number(dstAlbumID), escapeString(dstName),
QString::number(srcId)) );
int dstId = sqlite3_last_insert_rowid(d->dataBase);
// copy tags
execSql( QString("INSERT INTO ImageTags (imageid, tagid) "
"SELECT %1, tagid FROM ImageTags "
"WHERE imageid=%2;")
.arg(QString::number(dstId), QString::number(srcId)) );
// copy properties (rating)
execSql( QString("INSERT INTO ImageProperties (imageid, property, value) "
"SELECT %1, property, value FROM ImageProperties "
"WHERE imageid=%2;")
.arg(QString::number(dstId), QString::number(srcId)) );
return dstId;
}
Q_LLONG AlbumDB::lastInsertedRow()
{
return sqlite3_last_insert_rowid(d->dataBase);
}
} // namespace Digikam
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